A. changing the disc
B. cleaning the soil off the disc
C. smearing the disc with oil
D. sharpening the edges of its scraper
Correct Answer:
Option B – cleaning the soil off the disc
A. changing the disc
B. cleaning the soil off the disc
C. smearing the disc with oil
D. sharpening the edges of its scraper
Correct Answer:
Option B – cleaning the soil off the disc
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